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Finding the Fourth Proportional to 359.19, 539.04 and 186

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Solution

The fourth proportional to 359.19, 539.04 and 186 is: 279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    359.19 : 539.04 = 186 : x
  2. Step 2: Convert to fraction form
    359.19/539.04 = 186/x
  3. Step 3: Cross multiply
    359.19x = 539.04 × 186
  4. Step 4: Simplify right side
    359.19x = 100,261.44
  5. Step 5: Solve for x
    x = 100,261.44/359.19
  6. Step 6: Final answer
    x = 279.13

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.